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fgiga [73]
3 years ago
14

Amphiphilic molecule: ___________

Chemistry
1 answer:
erica [24]3 years ago
7 0
The answer is E - have both hydrophilic and hydrophobic groups.
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An atom has a nucleus filled with neutrons and protons, and electrons circle the outside of it.

5 0
4 years ago
How far would Sara get if she ran for 87 minutes at a speed of .125 miles per minute?
Elza [17]

Answer:

10.875 miles

So 87 minutes

.125 miles per minute

So just multiply int his case

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7 0
3 years ago
What is the balanced equation for the combustion of magnesium?
Lostsunrise [7]

Answer:

2Mg  +  O2 →  2MgO

Explanation:

In all conbustion you should know, that reactans are an specific compound and O2, so the products must be CO2 and H2O, or in this case, the corresponding oxide.

6 0
4 years ago
When titrating a NaF(aq) solution with HCl(aq), the equivalence point will occur at a pH value ______ .
Gelneren [198K]

At the equivalence point, the NaF completely reacts with the HCl

The correct option that gives the equivalence point when titrating NaF solution with HCl(aq), occur at a pH value is option c);

c) <u>Below 7 because it is determined by HF (aq)</u>

Reason:

The ionic equation of the reaction taking place in the titration is presented as follows;

  • NaF + HCl → HF + NaCl
  • Na⁺ (aq) + F⁻ (aq) + H⁺ (aq) + Cl⁻(aq) → HF (aq)+ Na⁺(aq) + Cl⁻(aq)

Therefore, by removing the spectator ions, we get;

  • F⁻(aq) + H⁺(aq) → HF(aq)

Therefore;

The net ionic equation is the formation of hydrofluoric acid, HF, which is a

weak acid, therefore, the pH value will be <u>below 7 because it is determined </u>

<u>by HF</u>

<u />

Learn more about equivalence point here: titration

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brainly.com/question/23502649

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3 years ago
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Hi,
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3 years ago
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